# Medicare District of Columbia Part A Payer ID

- **Payer ID:** 12301
- **Other payer IDs:** IMDC0, IMMD0
- **Coverage types:** Medical
- **Programs:** Medicare
- **Where it operates:** District of Columbia
- **Payer website:** https://www.cms.gov

## Other names

- Medicare Maryland Part A
- Medicare Washington D.C. Part A
- Novitas - District of Columbia

## What You Can Check With Medicare District of Columbia Part A

- Eligibility and benefits for any service type Medicare District of Columbia Part A returns
- Instant results, 24/7, with no phone calls or portals

What a check returns is up to the payer: some return more detail than others.

Payer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.

---

Canonical: https://www.verifytx.com/payers/medicare-district-of-columbia-part-a/